secret

• Hidden
• information known only to a special group
• conducted with or marked by hidden aims or methods
• something that baffles understanding and cannot be explained
• (of information) given in confidence or in secret
• Separate
• designed to elude detection
• having an import not apparent to the senses nor obvious to the intelligence
• not expressed
• hidden from general view or use
• something that should remain hidden from others (especially information that is not to be passed on)
• not open or public
• not openly made known
• communicated covertly
• indulging only covertly
• the next to highest level of official classification for documents
• Withdraw from general intercourse or notice
• Faithful to a secret
• Something studiously concealed
• A thing not discovered
• The parts which modesty and propriety require to be concealed
• To keep secret

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